15009356490 has 64 divisors (see below), whose sum is σ = 37552868352. Its totient is φ = 3835008000.

The previous prime is 15009356449. The next prime is 15009356561. The reversal of 15009356490 is 9465390051.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14034 + ... + 173826.

It is an arithmetic number, because the mean of its divisors is an integer number (586763568).

Almost surely, 2^15009356490 is an apocalyptic number.

15009356490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15009356490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18776434176).

15009356490 is an abundant number, since it is smaller than the sum of its proper divisors (22543511862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15009356490 is a wasteful number, since it uses less digits than its factorization.

15009356490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159935.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 15009356490 in words is "fifteen billion, nine million, three hundred fifty-six thousand, four hundred ninety".